PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121100Spring,helical,extension

Telemechanics Inc · NSN 5360-00-677-7750 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-677-7750 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-677-7750. Primary manufacturer part number: 121100.
Features
  • Spring,helical,extension — FSC 5360
  • Coil Helix Direction: LEFT-HAND
  • Design Type: CLOSED
  • End Style: SHORT TWISTED HOOK BOTH ENDS
  • Hook Radius: 0.041 INCHES NOMINAL BOTH ENDS IN
  • Material: STEEL OVERALL
  • Spring Free Length: 0.574 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.106 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-677-7750, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-677-7750
Primary Part Number121100
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Coil Helix DirectionLEFT-HAND
Design TypeCLOSED
End StyleSHORT TWISTED HOOK BOTH ENDS
Hook Radius0.041 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Spring Free Length0.574 INCHES NOMINAL IN
Spring Free Outside Diameter0.106 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Inside Diameter0.082 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5940-00-617-2673227-1157P1 INTERCHANGEABLE
Terminal,lug
Raytheon Co Equipment Development Lab
1680-00-796-7552 INTERCHANGEABLE
Parts Kit,control,f
6130-00-922-1259 INTERCHANGEABLE
Power Supply
5910-01-176-4374993015 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
6160-01-335-3540121100 INTERCHANGEABLE
Battery Box
Dhs, Uscg Shore Infrastructure Logistics Center Div Uscg Waterways Operations Product Line
5310-01-357-7021121100 INTERCHANGEABLE
Nut,plain,hexagon
Rotron Incorporated
6640-01-570-70581211-00 INTERCHANGEABLE
Tube,centrifuge
Scientific Specialties Inc
Cross-Reference Index
Part NumberManufacturer
121100 At and T Corp (USA)
121100 PRIMARY Telemechanics Inc (USA)
121100 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5940-00-617-2673INTERCHANGEABLE
TERMINAL,LUG
227-1157P1
1680-00-796-7552INTERCHANGEABLE
PARTS KIT,CONTROL,F
6130-00-922-1259INTERCHANGEABLE
POWER SUPPLY
5910-01-176-4374INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
993015
6160-01-335-3540INTERCHANGEABLE
BATTERY BOX
121100
5310-01-357-7021INTERCHANGEABLE
NUT,PLAIN,HEXAGON
121100
6640-01-570-7058INTERCHANGEABLE
TUBE,CENTRIFUGE
1211-00

Frequently Asked Questions

What is NSN 5360-00-677-7750?

NSN 5360-00-677-7750 is a Spring,helical,extension, manufactured by Telemechanics Inc, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-677-7750?

NSN 5360-00-677-7750 has 3 cross-referenced part numbers: 121100 (At and T Corp), 121100 (Telemechanics Inc), 121100 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5360-00-677-7750?

There are 7 known substitutes for 5360-00-677-7750: 5940-00-617-2673, 1680-00-796-7552, 6130-00-922-1259 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121100?

Key specifications for 121100: Coil Helix Direction: LEFT-HAND; Design Type: CLOSED; End Style: SHORT TWISTED HOOK BOTH ENDS; Hook Radius: 0.041 INCHES NOMINAL BOTH ENDS IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-677-7750 still in active supply?

NSN 5360-00-677-7750 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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